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<head>
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    <title>Document</title>
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<body>
    <div id="app">
          <!-- {{}} 插值表达式，绑定vue中的data数据 -->
          {{message}}
    </div>
    <script src="vue.min.js"></script>

    <script>
        // 创建一个vue对象
        new Vue({
            el: '#app',//绑定vue作用的范围
            data: {//定义页面中显示的模型数据
                message: 'Hello Vue!'
            }
        })
    </script>
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